CN109405935A - A kind of air flow sensor detection device and detection method - Google Patents
A kind of air flow sensor detection device and detection method Download PDFInfo
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- CN109405935A CN109405935A CN201811548842.5A CN201811548842A CN109405935A CN 109405935 A CN109405935 A CN 109405935A CN 201811548842 A CN201811548842 A CN 201811548842A CN 109405935 A CN109405935 A CN 109405935A
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 238000004321 preservation Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000007362 Burton trifluoromethylation reaction Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 230000036961 partial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 238000005259 measurement Methods 0.000 description 10
- 239000000446 fuel Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
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Abstract
The present invention relates to a kind of air flow sensor detection device and detection methods, belong to sensor technical field, air pump is connected by connecting line with heat preservation air accumulator gas access, heat preservation air accumulator gas vent is connected by connecting line with flow motor sensor to be measured, the hot and cold gas entrance for keeping the temperature air accumulator is connected by connecting line with cooling thermal impact case with outlet, normal flow sensor is provided at heat preservation air accumulator gas access, heat preservation built in gas tank is equipped with standard temperature sensor.Ambient temperature detection and air mass flow detection are integrated into a device for detecting performance by the present invention, improve detection efficiency, improve compatibility of the different types of automobile air-flow sensor on the same device, in addition to this, environment temperature and air mass flow detection are not bundle relation, the automobile air-flow sensor of less demanding for partial properties can be carried out at room temperature air mass flow detection, be accelerated detection efficiency with closing temperature controlling unit.
Description
Technical field
The present invention relates to sensor technical field more particularly to a kind of air flow sensor detection device and detection sides
Method.
Background technique
In recent years, the R and D of new automotive electronic technology have obtained the weight of lot of domestic and foreign enterprises and academic institution
Depending on.Automotive electronics largely has dynamic property, economy, emission performance, comfort and safety of automobile etc.
Very big raising.With the fast development of Control Technique of Microcomputer, it is main that automobile sensor has become Auto Electronic Controlled System
Information source.Sensor technology is one of the pillar of modern industry control industry, is the important component of automotive control system,
Occupy significant status in the research of automotive electronics.
Core component of the Induction air flow sensor as electric control fuel oil jet system control air-fuel ratio, is automobile-used sensing
The important component of device.Automobile engine operating condition range is very big, therefore preparation to combustion mixture concentration and each
The distribution of cylinder proposes very harsh requirement.Compared with traditional carburetor, electric control fuel oil jet system is capable of forming properly
Gaseous mixture proportion, improve Smaller load and working performance when idling, can be provided according to different engine operating conditions best empty
Fire the gaseous mixture of ratio.The control principle of air-fuel ratio is the air inflow that ECU is obtained by air flow sensor, according to required air-fuel
Than calculating required distributive value.Car combustion engine is to make engine in any work by rationally controlling engine air-fuel ratio
Make that optimum working performance can be obtained under state.The measurement of intake air amount is the basis for controlling air-fuel ratio, and air mass flow passes
Sensor performance superiority and inferiority has vital effect to engine, and the detection of air flow sensor has become electric-control system research
Important link.
As electronic fuel injection system gradually replaces traditional fuel injection system, air flow sensor is in electricity
Control automobile on more and more.Air flow sensor can be divided into the indirect method of measurement according to the difference to flow-measuring method
And the direct method of measurement.The indirect method of measurement refers to the absolute pressure that air inlet pipe is measured by pressure sensor, in conjunction with engine
Revolving speed, air inlet the coaptations such as temperature go out a kind of method of air-mass flow.Since parameter measurement and calculating process all can
There are errors to make the precision measured indirectly lower, is substantially eliminated at present.And the direct method of measurement is directly to air inlet
Flow measure, unrelated with other parameters, the direct method of measurement is divided into mass flow measurement according to the different of measuring principle again
Method and volume flow measurement method.Mass flow measurement method is also known as hot type mensuration, because common mass flow measuring meters have
Hot line air flow sensor, volume flow are detected in respect of tab style air flow sensor etc..Compared to the indirect method of measurement, directly
It connects mensuration and makes measurement accuracy height due to having lacked intermediate link, thus be widely used in a variety of applications.
Existing automobile air-flow sensor detection device, system complicated composition build, price height long with debugging cycle
It is high, automobile air-flow sensor can not be detected under condition of different temperatures, and a set of detection device is difficult to adapt to respectively
The automobile of seed type controls flow sensor.
Summary of the invention
The present invention in order to solve existing flow motor sensor detecting device system complicated composition, can not be in different temperatures
Under the conditions of to automobile air-flow sensor carry out detection and to different types of automobile air-flow sensor compatibility not
High problem, and then provide a kind of air flow sensor detection device and detection method.
Inventive technique scheme:
A kind of air flow sensor detection device, comprising: air pump, normal flow sensor, heat preservation air accumulator, standard temperature
Sensor, flow motor sensor to be measured, cooling thermal impact case, host computer, power inverter and station are spent,
The air pump is connected by connecting line with heat preservation air accumulator gas access, and heat preservation air accumulator gas vent passes through company
Adapter tube road be connected with flow motor sensor to be measured, keep the temperature air accumulator hot and cold gas entrance and export pass through connecting line with it is cold
Thermal shock case is connected, and keeps the temperature and is provided with normal flow sensor at air accumulator gas access, and heat preservation built in gas tank is equipped with standard
Temperature sensor；
The air pump is connected by route with power inverter, and power inverter, normal flow sensor, normal temperature pass
Sensor, host computer and cooling thermal impact case pass through route and are connected with the power switch on station, normal flow sensor, standard
Temperature sensor and flow motor sensor to be measured pass through route and are connected with data acquisition module, and data acquisition module passes through line
Road is connected with host computer.
Further, the data acquisition module model 6ES7231-7PD22-0XA8.
Further, the cooling thermal impact case model CLM-WDCJ-100.
A kind of air flow sensor detection method, specific step is as follows,
The first step, by the power switch group on station by power inverter, normal flow sensor, cooling thermal impact
Case, standard temperature sensor, flow motor sensor to be measured and host computer booting；
Second step, adjust cooling thermal impact case temperature control burtons, first by temperature design be -40 °, -25 °, -15 °, 0 °,
15 °, 25 °, 40 ° of totally 7 gears will keep the temperature the gas temperature in air accumulator by the standard temperature sensor in heat preservation air accumulator
Degree information is transmitted on host computer, and from low to high, then circulation adjusts a cooling thermal impact case temperature control burtons from high to low, right
It is transmitted to the temperature display data of host computer according to cooling thermal impact case temperature display and standard temperature sensor, guarantees the two display number
According to identical；
Third step, regulation power frequency converter frequency conversion knob, power inverter directly control the gas output of air pump, first will be into
It is 0-20km/h, 20-40km/h, 40-60km/h, 60-80km/h, 80-100km/h, 100-that tolerance, which is set as speed,
Car engine air admittance amount when six sections 120km/h, by the normal flow sensor in the connecting line by air inlet
Amount information is transmitted on host computer, compares the measured value of preset value and normal flow sensor, guarantees that the two display data are identical；
4th step assembles flow motor sensor to be measured, adjusts cooling thermal impact case temperature control burtons, will keep the temperature gas storage
Gas temperature in tank is adjusted to -40 °, when the temperature display data of standard temperature sensor are -40 °, opens power frequency conversion
Device frequency conversion knob successively rotates 6 be preset to the gear into second step, and protects after the power stability of each gear
The time of 20s is held, the display data of flow motor sensor to be measured is recorded by host computer at this time, will record mark on host computer 7
Air flow data of the quasi- temperature sensor in -40 ° of environmental simulation condition under 6 gear sections；
Cooling thermal impact box temperature degree is successively adjusted to -25 ° by the 5th step, and -15 °, 0 °, 15 °, 25 °, 40 ° of six temperature, and
The air inflow gear carried out in the 4th step is adjusted, and corresponding data are recorded on host computer；
Flow motor sensor to be measured all data stored on host computer are counted and are depicted as by the 6th step
Chart is compared with the automobile air-flow sensor test curve of standard, completes detection.
The present invention has the advantages that the prior art
Ambient temperature detection and air mass flow detection are integrated into a device for detecting performance by the present invention, improve detection
Efficiency, has possessed testing mechanism more perfect, improves different types of automobile air-flow sensor on the same device
Compatibility, in addition to this, environment temperature and air mass flow detection be not bundle relation, can individually be detected, for portion
The automobile air-flow sensor for dividing performance requirement not high can carry out at room temperature air mass flow inspection with closing temperature controlling unit
It surveys, accelerates detection efficiency.
Detailed description of the invention
Fig. 1 is structure connection diagram of the invention.
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail.
Embodiment one: a kind of air flow sensor detection device, comprising: air pump 1, normal flow sensor 2, heat preservation storage
Gas tank 3, standard temperature sensor 4, flow motor sensor 5 to be measured, cooling thermal impact case 6, host computer 7, power inverter 8 and behaviour
Make platform 9,
The air pump 1 is connected by connecting line with heat preservation 3 gas access of air accumulator, and heat preservation 3 gas vent of air accumulator is logical
It crosses connecting line to be connected with flow motor sensor 5 to be measured, the hot and cold gas entrance and outlet for keeping the temperature air accumulator 3 pass through connecting tube
Road is connected with cooling thermal impact case 6, keeps the temperature and is provided with normal flow sensor 2 at 3 gas access of air accumulator, keeps the temperature in air accumulator 3
It is provided with standard temperature sensor 4；
The air pump 1 is connected by route with power inverter 8, power inverter 8, normal flow sensor 2, standard temperature
Degree sensor 4, host computer 7 and cooling thermal impact case 6 are connected by route with the power switch on station 9, and normal flow passes
Sensor 2, standard temperature sensor 4 and flow motor sensor 5 to be measured are connected by route with data acquisition module 10, data
Acquisition module 10 is connected by route with host computer 7.
The 10 model 6ES7231-7PD22-0XA8 of data acquisition module.
The 6 model CLM-WDCJ-100 of cooling thermal impact case.
Power inverter 8 is the prior art, so the application is to disclose its structure.
Embodiment two: a kind of air flow sensor detection method, specific step is as follows,
The first step, by the power switch group on station 9 by power inverter 8, normal flow sensor 2, cold and hot punching
Case 6, standard temperature sensor 4, flow motor sensor 5 to be measured and host computer 7 is hit to be switched on；
Second step, adjust 6 temperature control burtons of cooling thermal impact case, first by temperature design be -40 °, -25 °, -15 °, 0 °,
15 °, 25 °, 40 ° of totally 7 gears will keep the temperature the gas in air accumulator 3 by the standard temperature sensor 4 in heat preservation air accumulator 3
Temperature information is transmitted on host computer 7, and from low to high, then circulation adjusts 6 temperature of a cooling thermal impact case control from high to low
Button, control 6 temperature display of cooling thermal impact case and standard temperature sensor 4 are transmitted to the temperature display data of host computer 7, guarantee
The two shows that data are identical；
Third step, 8 frequency conversion knob of regulation power frequency converter, power inverter 8 directly control the gas output of air pump 1, first
By air inflow be set as speed be 0-20km/h, 20-40km/h, 40-60km/h, 60-80km/h, 80-100km/h,
Car engine air admittance amount when 100-six sections 120km/h passes through the normal flow sensor 2 in connecting line
Air inflow information is transmitted on host computer 7, the measured value of preset value and normal flow sensor 2 is compareed, guarantees the two display
Data are identical；
4th step assembles flow motor sensor 5 to be measured, adjusts 6 temperature control burtons of cooling thermal impact case, and heat preservation is stored up
Gas temperature in gas tank 3 is adjusted to -40 °, when the temperature display data of standard temperature sensor 4 are -40 °, opens power
8 frequency conversion knob of frequency converter successively rotates 6 be preset to the gear into second step, and steady in the power of each gear
The time that 20s is kept after fixed, the display data of flow motor sensor 5 to be measured are recorded by host computer 7 at this time, on host computer 7
It will record air flow data of the standard temperature sensor 4 in -40 ° of environmental simulation condition under 6 gear sections；
6 temperature of cooling thermal impact case is successively adjusted to -25 ° by the 5th step, and -15 °, 0 °, 15 °, 25 °, 40 ° of six temperature, and
The air inflow gear carried out in the 4th step is adjusted, and corresponding data are recorded on host computer 7；
Flow motor sensor 5 to be measured all data stored on host computer 7 are counted and are drawn by the 6th step
It at chart, is compared with the automobile air-flow sensor test curve of standard, completes detection.
Claims (4)
1. a kind of air flow sensor detection device, comprising: air pump (1), normal flow sensor (2), heat preservation air accumulator
(3), standard temperature sensor (4), flow motor sensor to be measured (5), cooling thermal impact case (6), host computer (7), power frequency conversion
Device (8) and station (9), which is characterized in that
The air pump (1) is connected by connecting line with heat preservation air accumulator (3) gas access, and air accumulator (3) gas vent is kept the temperature
It is connected by connecting line with flow motor sensor (5) to be measured, the hot and cold gas entrance of heat preservation air accumulator (3) passes through with outlet
Connecting line is connected with cooling thermal impact case (6), keeps the temperature and is provided with normal flow sensor (2) at air accumulator (3) gas access, protects
Standard temperature sensor (4) are provided in warm air accumulator (3)；
The air pump (1) is connected by route with power inverter (8), power inverter (8), normal flow sensor (2), mark
Quasi- temperature sensor (4), host computer (7) and cooling thermal impact case (6) pass through route and the power switch phase on station (9)
Even, normal flow sensor (2), standard temperature sensor (4) and flow motor sensor to be measured (5) pass through route and data
Acquisition module (10) is connected, and data acquisition module (10) is connected by route with host computer (7).
2. a kind of air flow sensor detection device according to claim 1, which is characterized in that the data acquisition module
Block (10) model 6ES7231-7PD22-0XA8.
3. a kind of air flow sensor detection device according to claim 1, which is characterized in that the cooling thermal impact case
(6) model CLM-WDCJ-100.
4. a kind of air flow sensor detection method, which is characterized in that specific step is as follows,
The first step, by the power switch group on station (9) by power inverter (8), normal flow sensor (2), cold and hot
Impingement box (6), standard temperature sensor (4), flow motor sensor to be measured (5) and host computer (7) booting；
Second step, adjust cooling thermal impact case (6) temperature control burtons, first by temperature design be -40 °, -25 °, -15 °, 0 °, 15 °,
25 °, 40 ° of totally 7 gears, by that will be kept the temperature in air accumulator (3) in the standard temperature sensor (4) in heat preservation air accumulator (3)
Gas temperature information is transmitted on host computer (7), and from low to high, then circulation adjusts cooling thermal impact case (6) temperature from high to low
Control button is spent, control cooling thermal impact case (6) temperature display and standard temperature sensor (4) are transmitted to the temperature of host computer (7)
It shows data, guarantees that the two display data are identical；
Third step, regulation power frequency converter (8) frequency conversion knob, power inverter (8) directly control the gas output of air pump (1),
First by air inflow be set as speed be 0-20km/h, 20-40km/h, 40-60km/h, 60-80km/h, 80-100km/h,
Car engine air admittance amount when 100-six sections 120km/h passes through the normal flow sensor in connecting line
(2) air inflow information is transmitted on host computer (7), compares the measured value of preset value and normal flow sensor (2), guarantee two
Person shows that data are identical；
4th step assembles flow motor sensor (5) to be measured, adjusts cooling thermal impact case (6) temperature control burtons, and heat preservation is stored up
Gas temperature in gas tank (3) is adjusted to -40 °, when the temperature display data of standard temperature sensor (4) are -40 °, opens
Power inverter (8) frequency conversion knob successively rotates 6 be preset to the gear into second step, and in each gear
The time that 20s is kept after power stability, the display data of flow motor sensor (5) to be measured are recorded by host computer (7) at this time,
It will record air stream of the standard temperature sensor (4) in -40 ° of environmental simulation condition under 6 gear sections on host computer (7)
Measure data；
Cooling thermal impact case (6) temperature is successively adjusted to -25 ° by the 5th step, and -15 °, 0 °, 15 °, 25 °, 40 ° of six temperature are gone forward side by side
Air inflow gear in the 4th step of row is adjusted, and records corresponding data on host computer (7)；
Flow motor sensor (5) to be measured all data stored on host computer (7) are counted and are drawn by the 6th step
It at chart, is compared with the automobile air-flow sensor test curve of standard, completes detection.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112036077A (en) * | 2020-08-14 | 2020-12-04 | 天地（常州）自动化股份有限公司 | Overheating protection method for mining explosion-proof water-cooled frequency converter without flow sensor |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5345763A (en) * | 1992-02-27 | 1994-09-13 | Nissan Motor Co., Ltd. | Secondary air control system for internal combustion engine |
| US5728932A (en) * | 1995-12-08 | 1998-03-17 | Unisia Jecs Corporation | Method for diagnosing performance of intake air amount detection device and apparatus thereof |
| US20040020471A1 (en) * | 2002-07-19 | 2004-02-05 | Yoshihiko Akagi | Control system of internal combustion engine with output correcting means of thermal type air flow sensor |
| CN1490509A (en) * | 2002-09-04 | 2004-04-21 | 本田技研工业株式会社 | Air flow sensor fault judging apparatus and method |
| CN101236101A (en) * | 2007-01-31 | 2008-08-06 | 株式会社电装 | Air flow quantity correcting device |
| CN101892914A (en) * | 2010-07-14 | 2010-11-24 | 中国第一汽车集团公司 | Engine transient air inflow estimation method based on model |
| CN103047055A (en) * | 2012-10-30 | 2013-04-17 | 北京理工大学 | Flow regulation device and method of rotational flow tubular air cleaner |
| WO2016024199A1 (en) * | 2014-08-11 | 2016-02-18 | Tata Motors Limited | A system and method for operating a vehicle in multiple drive modes |
| CN205404134U (en) * | 2016-03-18 | 2016-07-27 | 陕西汽车集团有限责任公司 | LNG car gas supply system's testing arrangement |
| CN205593620U (en) * | 2016-04-06 | 2016-09-21 | 湖南汽车工程职业学院 | Auto air flow meter sensor experiment device |
| CN108036833A (en) * | 2017-12-28 | 2018-05-15 | 潍柴动力股份有限公司 | Air cleaner flow measuring structure and engine assembly |
| CN208953084U (en) * | 2018-12-18 | 2019-06-07 | 东北林业大学 | A kind of air flow sensor detection device |
-
2018
- 2018-12-18 CN CN201811548842.5A patent/CN109405935B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5345763A (en) * | 1992-02-27 | 1994-09-13 | Nissan Motor Co., Ltd. | Secondary air control system for internal combustion engine |
| US5728932A (en) * | 1995-12-08 | 1998-03-17 | Unisia Jecs Corporation | Method for diagnosing performance of intake air amount detection device and apparatus thereof |
| US20040020471A1 (en) * | 2002-07-19 | 2004-02-05 | Yoshihiko Akagi | Control system of internal combustion engine with output correcting means of thermal type air flow sensor |
| CN1490509A (en) * | 2002-09-04 | 2004-04-21 | 本田技研工业株式会社 | Air flow sensor fault judging apparatus and method |
| CN101236101A (en) * | 2007-01-31 | 2008-08-06 | 株式会社电装 | Air flow quantity correcting device |
| CN101892914A (en) * | 2010-07-14 | 2010-11-24 | 中国第一汽车集团公司 | Engine transient air inflow estimation method based on model |
| CN103047055A (en) * | 2012-10-30 | 2013-04-17 | 北京理工大学 | Flow regulation device and method of rotational flow tubular air cleaner |
| WO2016024199A1 (en) * | 2014-08-11 | 2016-02-18 | Tata Motors Limited | A system and method for operating a vehicle in multiple drive modes |
| CN205404134U (en) * | 2016-03-18 | 2016-07-27 | 陕西汽车集团有限责任公司 | LNG car gas supply system's testing arrangement |
| CN205593620U (en) * | 2016-04-06 | 2016-09-21 | 湖南汽车工程职业学院 | Auto air flow meter sensor experiment device |
| CN108036833A (en) * | 2017-12-28 | 2018-05-15 | 潍柴动力股份有限公司 | Air cleaner flow measuring structure and engine assembly |
| CN208953084U (en) * | 2018-12-18 | 2019-06-07 | 东北林业大学 | A kind of air flow sensor detection device |
Non-Patent Citations (3)
| Title |
|---|
| MICHAEL TAUCH; KLAUS WITRISAL; KATARZYNA KUDLATY; STEFAN NOEHAMMER; MICHAEL WIESINGER: "System identification method for Ultrasonic Intake Air Flow Meter for engine test bed applications", 《2012 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE PROCEEDINGS》 * |
| 李志鹏，邵宪友，杨传英，赵伊齐，赵杨: "基于汽车EPS系统的控制策略综述", 《森林工程》, pages 131 - 135 * |
| 金跃川: "汽车空气质量流量传感器的研究", 《中国优秀硕士学位论文全文数据库 (信息科技辑)》, pages 140 - 171 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112036077A (en) * | 2020-08-14 | 2020-12-04 | 天地（常州）自动化股份有限公司 | Overheating protection method for mining explosion-proof water-cooled frequency converter without flow sensor |
| CN112036077B (en) * | 2020-08-14 | 2023-10-24 | 天地（常州）自动化股份有限公司 | Overheat protection method for mining flameproof water-cooled frequency converter without flow sensor |
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